MA.7.GR.1.3 & 1.4

Front

What is the formula to calculate the area of a circle?

Back

Area = π × radius²

Tags

CCSS.7.G.B.4

Front

What is the value of π (pi) approximately?

Back

π ≈ 3.14

Tags

CCSS.HSG.GMD.A.1

Front

If a circle has a radius of 5 feet, what is its area?

Back

Area = π × (5)² = 78.5 ft²

Tags

CCSS.7.G.B.4

Front

What is the definition of circumference?

Back

Circumference is the distance around a circle.

Tags

CCSS.7.G.B.4

Front

What is the formula to calculate the circumference of a circle?

Back

Circumference = 2 × π × radius

Tags

CCSS.7.G.B.4

Front

If a circle has a diameter of 10 feet, what is its radius?

Back

Radius = Diameter / 2 = 5 feet

Tags

CCSS.7.G.B.4

Front

What is the relationship between radius and diameter?

Back

Diameter = 2 × Radius

Tags

CCSS.7.G.B.4

Front

What is the radius of a circle with a circumference of 31.4 feet?

Back

Radius = Circumference / (2 × π) = 5 feet

Tags

CCSS.7.G.B.4

Front

What is the area of a circle with a radius of 3 mm?

Back

Area = π × (3)² ≈ 28.27 mm²

Tags

CCSS.7.G.B.4

Front

What is the diameter of a circle with a radius of 7 cm?

Back

Diameter = 2 × Radius = 14 cm

Tags

CCSS.7.G.B.4